Headlamps Inoperative - Low Beams. Chevrolet PJJ 2001

For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
1 | Did you perform the Diagnostic System Check - Lighting Systems? | Go to Step 2 | Go to Diagnostic System Check - Lighting Systems
2 | Test the headlamp switch battery supply circuit for an open or short to ground. Refer to Circuit Testing in Wiring Systems. Was a condition found and corrected? | System OK | Go to Step 3

3

1. Disconnect the turn/headlamp switch assembly connector.
2. Connect a fused jumper between the battery supply circuit and the low beam headlamp feed circuit at the headlamp switch connector.

Do the low beams light?

Go to Step 4

Go to Step 5

4 | Replace the turn/headlamp switch assembly. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle in Steering Wheel and Column. Is the repair complete? | System OK
5 | Test for an open in the low beam headlamp feed circuit. Refer to Wiring Repairs in Wiring Systems. Was a condition found and corrected? | System OK | Go to Step 6
6 | Repair the open in the left and right headlamp ground circuit. Refer to Wiring Repairs in Wiring Systems. Was a condition found and corrected? | System OK | --